Description
The raw PPG signal (sampled at 100 Hz) was cleaned with a bandpass filter ([0.5, 8], butterworth 3rd order).
The peak detection was carried out using the Elgendi et al. (2013) method.

Summary table

PPG_Rate_Mean	PPG_Rate_SD
86.401413	5.970473

References
Elgendi M, Norton I, Brearley M, Abbott D, Schuurmans D (2013) Systolic Peak Detection in
Acceleration Photoplethysmograms Measured from Emergency Responders in Tropical Conditions.
PLoS ONE 8(10): e76585. doi:10.1371/journal.pone.0076585.